Decorative rococo title cartouche. Detailed harbor chart with many soundings in the Road of Brest. Locates all harbors, towns, rivers, capes and islands. The map labels the water depth in the bays and seas around Brest. The walled city of Brest is well shown, as are small houses, churches and windmills. Map extends from Le Counquet to Le Faou, detailing the coastline, anchorages and soundings throughout the area.
A chart of the coast of Brittany, including the mouth of the Loire, where Nantes, France's largest port at the time, lay only a few kilometres up river. Soundings, sandbanks, rocks/hazards, and rhumb lines emanating from an off-page compass rose at the mouth of the harbour are present to aid marine navigation. Some trees and grassland are shown to represent land features. As a chart there is extensive annotation of shore features; on land Questembert is labelled Quitamber. A Fluer de Lis in centered at bottom placing scale.